CN107363591A - A kind of novel linkage shift fork slabbing fixture - Google Patents
A kind of novel linkage shift fork slabbing fixture Download PDFInfo
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- CN107363591A CN107363591A CN201710828619.5A CN201710828619A CN107363591A CN 107363591 A CN107363591 A CN 107363591A CN 201710828619 A CN201710828619 A CN 201710828619A CN 107363591 A CN107363591 A CN 107363591A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
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- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
A kind of novel linkage shift fork slabbing fixture, shift fork is shaped as inverted "L" shaped, shift fork includes orthogonal horizontal part and vertical portion, one end end of horizontal part and one end end integrally connected of vertical portion, the inner side of horizontal part and vertical portion junction is provided with breakthrough part, through hole is provided with breakthrough part, the axis of through hole is parallel with plane where horizontal part or vertical component effect, milling fixture includes chuck body and Auxiliary support axle, shift fork is arranged in chuck body in inverted "L" shaped, apotting spindle is equipped with through hole, chuck body is provided with the arbor hole worn for apotting spindle, in apotting spindle right-hand member insertion arbor hole, the left part of apotting spindle is rotatablely connected with through hole；The special fixture of the present invention, for processing peculiar part, the complexity of work can be reduced, improves production efficiency.Its is compact-sized, and principle is relatively simple, convenient operation.
Description
Technical field
The present invention relates to field of fixtures, more particularly, to a kind of milling fixture.
Background technology
Nowadays, machine-building be unable to do without Metal Cutting Machine Tool, and jig has become the conventional instrument of machine tool field, energy
Enough effective raising production efficiency, reduce labor intensity, improve the quality of production.But many fixture performances are bad, positioning or folder
Tightly not enough precisely, either occur positioning failure or the phenomenon loosened in workpieces processing, frequently result in various quality problems, this
All have a great impact to the quality of workpiece a bit, and the shut-down (breakdown) mainteance produced can cause very big loss, and fixture is for production
There is critically important meaning.Play the role of on positioning, clamping and preventing deformation very big.
The content of the invention
It is an object of the invention to provide a kind of novel linkage shift fork slabbing fixture, the fixture can be by special-shaped part
Shift fork positioning clamps, and is then processed.
The technical scheme is that：
A kind of novel linkage shift fork slabbing fixture, shift fork are shaped as inverted "L" shaped, and shift fork includes orthogonal horizontal part
And vertical portion, one end end of horizontal part and one end end integrally connected of vertical portion, horizontal part and vertical portion junction it is interior
Side is provided with breakthrough part, through hole is provided with breakthrough part, the axis of through hole is parallel with plane where horizontal part or vertical component effect, milling
Fixture includes chuck body and Auxiliary support axle, and shift fork is arranged in chuck body in inverted "L" shaped, and positioning is equipped with through hole
Mandrel, chuck body are provided with the arbor hole worn for apotting spindle, and apotting spindle right-hand member is inserted in arbor hole, apotting spindle
Left part is rotatablely connected with through hole；Auxiliary support axle is vertically provided in chuck body close to the centre position of front side, fixture sheet
The supported hole that the middle part of Auxiliary support axle vertically passes through is offered on body, the top of Auxiliary support axle comes directly towards provided with support shaft, branch
Support axle top leans with the front end downside of horizontal part, be provided with vertically on the Auxiliary support axle below supported hole front limit groove with
Stopper slot afterwards, stopper slot and rear stopper slot are provided with positioned at the front side of Auxiliary support axle and rear side, the bottom of Auxiliary support axle respectively
Bottom groove is supported, supports and is provided with vertical support spring between bottom groove and chuck body；
Milling fixture also includes vertically arranged power transmission shaft, and power transmission shaft is located at the rear of Auxiliary support axle, and the top of power transmission shaft is consolidated
Surely cam is connected with, cam is located in rear stopper slot, and the bottom of power transmission shaft is fixedly connected with switch block, and the lower end of power transmission shaft passes through axle
Hold and be rotatablely connected with chuck body, switch block is " P " shape, and the left part of switch block is provided with shaft hole, and the axis of shaft hole is vertically arranged, is passed
Moving axis passes through shaft hole；Torsion spring is equipped with power transmission shaft, torsion spring both ends are connected with power transmission shaft and switch block respectively；
The leading flank of chuck body is provided with front limit slotted eye, and the axis of front limit slotted eye is perpendicular to plane where vertical component effect, preceding limit
Front limit screw rod is equipped with the slotted eye of position, is fixed between the front end of front limit screw rod and chuck body by nut, front limit screw rod
Rear end act against in the front limit groove of Auxiliary support axle,
Milling fixture also includes the left pressing plate being located on the left of chuck body and the right detent mechanism being located on the right side of chuck body, left pressure
Plate includes left riser and the left transverse slat being integrally attached at the top of left riser, and left transverse slat is vertical with left riser, left transverse slat right-hand member face pressure
Lean against on the left surface of horizontal part；Right detent mechanism includes right column and the right transverse slat with right column top integrally connected, right horizontal stroke
The left side of plate is pressed against on the right flank of horizontal part；Right column hole vertically is provided with chuck body, right column is inserted into the right side
In leghole；
The middle part of left pressing plate is provided with left briquetting fixing hole, and left briquetting fixing hole is equipped with stud, and the left end of stud leads to
Cross nut to fix, the right-hand member of stud is threaded in chuck body；
Horizontal at switch block sustained height to be provided with compression leg and fore-set, the right-hand member of compression leg is acted against on the left surface of switch block, compression leg
Axis is vertical with the axis of shaft hole, and the axis of compression leg is vertical with plane where left riser, and the right flank of left riser bottom is provided with
Compression leg hole, the left end of compression leg are acted against in the compression leg hole；Fore-set is located at the rear side of switch block, the axis of fore-set and the axis of shaft hole
Vertical and with shift fork vertical portion place plane is vertical, and the front end of fore-set is acted against on the trailing flank of switch block right part, after fore-set
Side pressure is leaned against on the leading flank of fork vertical portion；The middle part peripheral hardware of fore-set is equipped with fore-set set, and fore-set set is fixed on chuck body
In the through hole being correspondingly arranged；The right-hand member of compression leg and the front end of fore-set are segment-shaped；
Positioning baffle is provided with rear side of chuck body, rear briquetting is additionally provided with rear side of positioning baffle, rear briquetting will be positioned by screw
Baffle plate is connected in chuck body, and the leading flank of positioning baffle is pressed against on the trailing flank of vertical portion.
Cam is disc cam, the contour curve of cam include successively the actuating travel section of head and the tail connection, far stop section, reverse-running section and
Closely stop section, actuating travel section is relative with reverse-running section, and far not section is relative with section is closely stopped, the center of circle of the remote circular arc stopped section and closely stop section and cam
Axis coinciding, the circular shape of actuating travel section becomes larger for radius, and the circular shape of reverse-running section is gradually reduced for radius, shift fork
When being fixed on chuck body, the actuating travel section of cam is stuck in rear stopper slot.
Cam is disc cam, the contour curve of cam include successively the actuating travel section of head and the tail connection, far stop section, reverse-running section and
Closely stop section, when shift fork is fixed on chuck body, the section of far stopping of cam is stuck in rear stopper slot.
Rear block slots are correspondingly offered in chuck body, rear briquetting is located in rear block slots with positioning baffle, positioning baffle
Left end stretch out after briquetting, positioning baffle length is more than rear briquetting.
The end of one end that compression leg and fore-set are abutted against with switch block is segment-shaped or hemispherical.
Support shaft top is segment-shaped or hemispherical.
The bottom land bottom shape of stopper slot is one section of cylindrical surface of protrusion bottom land bottom surface afterwards.
Chuck body is provided with the groove for being provided with bearing at power transmission shaft bottom.
Left transverse slat includes two spaced left briquettings, and the right side of left briquetting is plane, the right-hand member of two left briquettings
Face is located on same vertical plane, and the right side of two left briquettings is pressed against on the left surface of horizontal part.
Right transverse slat includes two spaced right jacking blocks on the left of right transverse slat, and the left side of right jacking block is plane,
The left side of two right jacking blocks is located on same vertical plane, and the left side of right jacking block is pressed against on the right flank of horizontal part.
Specially：
Screwed hole is provided with chuck body, equipped with stud, for the fixation of Auxiliary support axle in fixture, while prevents Auxiliary support
Axle rotates.Cylindrical hole, workpiece are provided with rear side of the chuck body（Shift fork）Middle part be also provided with the hole of same diameter, work as apotting spindle
When inserting the circular hole of workpiece and chuck body simultaneously, that is, the fixation of the spatially height of workpiece is completed, limits its free degree.
Briquetting after being provided with addition outside chuck body, screwed hole is provided with rear briquetting, rear briquetting is fixed on folder with SOC.HD. cap screw
Have on body, while rear briquetting blocks the pivoting of workpiece.Right detent mechanism is installed on the top of chuck body simultaneously, it is right
On the downside of detent mechanism in cylinder insertion chuck body, one end is fixed with holding screw, and other end positions to the side of workpiece.Together
When in the opposite side of chuck body left pressing plate is housed, studs is housed on left pressing plate, with binding nut and clamping washer by
Left pressing plate is fixed on the outside of chuck body, drives other side of the left pressing plate to workpiece（Left side）Carry out positioning clamping.It is same with this
When, the compression leg on the inside of the left pressing plate of this side promotes to the switch block on the inside of chuck body, causes switch block to enter around drive axis
And fore-set is promoted on rear side of workpiece（Vertical component effect）Clamp.Switch block and power transmission shaft are key connection simultaneously, the rotational band moving axis of switch block
Rotate, the rotation of axle rotational band moving axis top jaw, under the spring effect of its bottom of Auxiliary support, work is just withstood on its top
Part, during beginning, 0-45 ° of isometrical segmental arcs of cam rotate, and cam does not contact Auxiliary support axle, locking is had no to Auxiliary support axle
Effect, when side positioning of the left pressing plate to workpiece is near completion with fore-set to being clamped on the inside of workpiece, cam not isometrical 45-
135 ° of segmental arcs contact Auxiliary support axle, and Auxiliary support axle is started to lock, finally, locked Auxiliary support axle.So far the six of workpiece
The individual free degree is all locked, and smoothly efficiently workpiece can be processed.
Meanwhile torsion spring is housed on switch block, after process finishing, left pressing plate of dismantling, then compression leg no longer head on switch block, turn round simultaneously
Spring, which automatically twists cam, to be resetted, and step up effect of the Auxiliary support to workpiece reduces, while the fore-set of downside no longer clamps workpiece
Bottom, now can smoothly pull down the workpiece processed and change new workpiece.The present invention can process peculiar part, be a kind of special
There is fixture, suitable for all kinds of workpiece of various approximate " L " shapes, as long as the size of the various parts of the present invention is adapted to
Modification, can just the fixture of the present invention be used to be clamped.
The special fixture of the present invention, for processing peculiar part, the complexity of work can be reduced, improves production efficiency.Its
Compact-sized, principle is relatively simple, convenient operation；Functionally, when the left pressing plate for clamping side, you can to two of workpiece not
Clamped with the inside of orientation, it is very convenient, and also when withdrawing from left pressing plate, torsion spring can promote cam return again.
Compared with existing fixture, patent utilization chuck body of the present invention and simple several parts, you can complete
Positioning in the process of complex part is with stepping up, the setting especially at switch block, can complete to step up at two simultaneously, and
And when pulling down left pressing plate can also Rapid reset, in favor of the clamping of next workpiece, it is convenient effectively.Patent of the present invention is also to fixture
Body profile is designed, and makes its small and beautiful.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is A-A sectional views；
Fig. 3 is Fig. 1 top view；
Fig. 4 is Fig. 1 upward view；
Fig. 5 is the stereogram of the present invention（Save chuck body, Auxiliary support axle and cam）；
Fig. 6 is the stereogram of another angle of the invention（Save chuck body, Auxiliary support axle and cam）；
Fig. 7 is Fig. 5 D direction views；
Fig. 8 is Fig. 7 E-E sectional views（After dextrorotation is turn 90 degrees）；
Fig. 9 is the schematic diagram of shift fork；
Figure 10 is Fig. 9 left view；
Figure 11 is the stereogram of Auxiliary support axle；
Figure 12 is the front view of Auxiliary support axle；
Figure 13 is the structural representation of cam；
Figure 14 is Figure 13 top view；
Figure 15 is the structural representation of switch block；
Figure 16 is the structural representation of studs；
Figure 17 is the structural representation of compression leg；
Figure 18 is the structural representation of right detent mechanism；
Figure 19 is the structural representation of apotting spindle；
Figure 20 is the structural representation of left pressing plate.
Embodiment
A kind of novel linkage shift fork slabbing fixture, as shown in Fig. 9,10, shift fork 10 is shaped as inverted "L" shaped, shift fork
10 include orthogonal horizontal part 11 and vertical portion 12, the right-hand member end of horizontal part 11 and the upper end end one of vertical portion 12
The inner side of connection, horizontal part 11 and the junction of vertical portion 12 is provided with breakthrough part 13, and through hole 14, through hole are provided with breakthrough part 13
14 axis is parallel with horizontal part 11 or the place plane of vertical component effect 12.
As shown in figures 1-8, milling fixture of the invention includes chuck body 1 and Auxiliary support axle 5, and shift fork 10 is in inverted " L "
Shape is arranged in chuck body 1, and through hole 14 is equipped with apotting spindle 51 in through hole 14, pressed from both sides close to the rear side of chuck body 1
Tool body 1 is provided with the arbor hole 38 worn for apotting spindle 51, and the right-hand member of apotting spindle 51 is inserted into the 1 default heart of chuck body
Axis hole 38（Arbor hole 38 can be through hole or blind hole）Interior, the left part of apotting spindle 51 passes from through hole 14, realizes shift fork
The fixation of 10 fore-and-aft directions, chuck body 1 can rotate around apotting spindle 51.As shown in figure 19, apotting spindle 51 is multi-diameter shaft,
Right part external diameter is less than left part external diameter, and left part external diameter is equal to the internal diameter of through hole 14.
Auxiliary support axle 5 is vertically provided at close to the centre position of front side in chuck body 1, and the inner side of chuck body 1 is opened
Provided with the supported hole 2 vertically passed through for the middle part of Auxiliary support axle 5.As shown in Figure 11,12, the top of Auxiliary support axle 5 is provided with branch
Axle top 3 is supportted, support shaft top 3 is segment-shaped or hemispherical, and the downside of support shaft top 3 and the front end of horizontal part 11 is pushed up
Lean on, be provided with front limit groove 4 and rear stopper slot 6 on the Auxiliary support axle 5 of the lower section of supported hole 2 vertically, front limit groove 4 and rear spacing
For groove 6 respectively positioned at the front side of Auxiliary support axle 5 and rear side, the bottom land bottom shape of rear stopper slot 6 is the one of protrusion bottom land bottom surface
The cylindrical surface of section circular arc, or referred to as arcwall face, it is possible to achieve linear contact lay, reduce abrasion, protrusion bottom land bottom surface can also
It is set to plane；The height of front limit groove 4 is higher than rear stopper slot 6, and the bottom of Auxiliary support axle 5 is provided with support bottom groove 7, support
Vertical support spring 8 is provided between bottom groove 7 and chuck body 1.
Milling fixture also includes vertically arranged power transmission shaft 9, and power transmission shaft 9 is located at the rear of Auxiliary support axle 5, power transmission shaft 9
Top cam 15 is fixedly connected with by key 17, as shown in Figure 13,14, cam 15 is disc cam, and the profile of cam 15 is bent
Line includes the actuating travel section 15-1 of head and the tail connection, remote not section 15-2, reverse-running section 15-3 successively and closely stops section 15-4, nearly not section 15-4's
Radius is equal to the base radius of cam 15, actuating travel section 15-1, the remote motion angle stopped section 15-2, reverse-running section 15-3 and closely stop section 15-4
Be 90 degree, actuating travel section 15-1 is relative with reverse-running section 15-3, far stop section 15-2 and closely stop section 15-4 it is relative, far stop section 15-2 and closely
The not center of circle of section 15-4 circular arc and the axis coinciding of cam 15, actuating travel section 15-1 circular shape becomes larger for radius, returns
Journey section 15-3 circular shape is gradually reduced for radius.
When shift fork 10 is fixed on chuck body 1, the actuating travel section 15-1 of cam 15 is stuck in rear stopper slot 6.It can also pass through
Calculate, make far to stop after section 15-2 is stuck in stopper slot 6 when clamping.
The bottom of power transmission shaft 9 is fixedly connected with switch block 16 by key 17, and the lower end of power transmission shaft 9 passes through bearing and chuck body
1 rotates, and chuck body 1 is provided with the groove for being provided with bearing at the bottom of power transmission shaft 9.
As shown in figure 15, switch block 16 is " P " shape, and the left part of switch block 16 is provided with shaft hole 16-1, shaft hole 16-1 axis
Vertically arranged, power transmission shaft 15 passes through shaft hole 16-1；Be equipped with torsion spring 18 on power transmission shaft 15, the both ends of torsion spring 18 respectively with power transmission shaft
15 and switch block 16 connect.
The leading flank of chuck body 1 is provided with front limit slotted eye 19, and the axis of front limit slotted eye 19 is preceding perpendicular to vertical component effect 12
Front limit bolt 20 is equipped with spacing slotted eye 19, is fixed between the front end of front limit bolt 20 and chuck body 1 by nut, it is preceding
The rear end of caging bolt 20 is acted against in the front limit groove 4 of Auxiliary support axle 5.
Milling fixture also includes the left pressing plate 21 for being located at the left side of chuck body 1 and the right positioning for being located at the right side of chuck body 1
Mechanism, as shown in figure 20, left pressing plate 21 include left riser 22 and are integrally attached to the left transverse slat 23 at the left top of riser 22, left transverse slat
23 is vertical with left riser 22, and left transverse slat 23 includes two spaced left briquettings 24, and the right side 25 of left briquetting 24 is plane,
The right side 25 of two left briquettings 24 is located on same vertical plane.The height of left briquetting 24 and the height phase of the left surface of horizontal part 11
Adaptation.The right side 25 of two left briquettings 24 is pressed against on the left surface 31 of horizontal part 11.
Right detent mechanism, also referred to as location-plate, as shown in figure 18, location-plate include right column 26 and with the top one of right column 26
The right transverse slat 27 of body connection, right transverse slat 27 include two spaced right jacking blocks 28 positioned at the right left side of transverse slat 27, right jacking block
28 left side 29 is plane, and the left side 29 of two right jacking blocks 28 is located on same vertical plane, the left side 29 of right jacking block 28
It is pressed against on the right flank 32 of horizontal part 11.
Right column hole 30 vertically is provided with chuck body 1, right column 26 is inserted into right column hole 30, realized axial
It is fixed.
The right-hand member of right transverse slat 27 is fixed in chuck body 1 by the vertical threaded connection of fixing screws 35, fixing screws 35
Upper end on the left of and the right flank of right transverse slat 27 lean.The right-hand member of right transverse slat 27 is provided with step surface 33, and the top of step surface 33 is
Arcwall face 34, the center line of arcwall face 34 and the diameter parallel of right column 26, the top of fixing screws 35 is located at arcwall face.
The middle part of left pressing plate 21 is provided with left briquetting fixing hole 36, and left briquetting fixing hole 36 is equipped with stud 37, such as schemes
Shown in 16, the left end of stud 37 is fixed by nut, and the right-hand member of stud 37 is threaded in chuck body 1, folder
Screwed hole is correspondingly provided with tool body 1.
Horizontal at the sustained height of switch block 16 to be provided with compression leg 39 and fore-set 40, the right-hand member of compression leg 39 acts against a left side for switch block 16
On side 42, the axis of compression leg 39 is vertical with shaft hole 16-1 axis, and the axis of compression leg 39 hangs down with the left place plane of riser 22
Directly, the right flank of the left bottom of riser 22 is provided with compression leg hole 41, and compression leg hole 41 is blind hole.The left end of compression leg 39 acts against the compression leg hole
In 41.
Fore-set 40 is located at the rear side of switch block 16, and the rear end of fore-set 40 is segment-shaped.The axis of fore-set 40 and shaft hole 16-1
Axis is vertical and the diameter parallel of the axis of fore-set 40 and through hole 14, i.e. fore-set 40 is vertical with the left place plane of riser 22,
The front end of fore-set 40 is acted against on the trailing flank 43 of the right part of switch block 16, before the rear end of fore-set 40 is pressed against the vertical portion 12 of fork 10
On side；As shown in figure 17, the front end of the right-hand member of compression leg 39 and fore-set 40 is segment-shaped or hemispherical；Outside the middle part of fore-set 40
If being equipped with fore-set set 44, fore-set set 44 is fixed in the through hole that chuck body 1 is correspondingly arranged, and fore-set 40 slides with fore-set set 44
Connection, the middle part of fore-set 40 is set to be covered in fore-set in 44 slidably.
Positioning baffle 45 is provided with the rear side of chuck body 1, the rear side of positioning baffle 45 is additionally provided with rear briquetting 46, and rear briquetting 46 is logical
Cross screw positioning baffle 45 is connected in chuck body 1, the leading flank of positioning baffle 45 is pressed against the trailing flank of vertical portion 12
On.Rear block slots 47 are correspondingly offered on the trailing flank of vertical portion 12, rear briquetting 46 is respectively positioned on rear block slots with positioning baffle 45
In 47.Briquetting 46 after the left end of positioning baffle 45 stretches out, the length of positioning baffle 45 are more than rear briquetting 46.
The bottom of chuck body 1 is provided with slideway 48, and the bottom of slideway 48 is provided with two slider bores 50, in two slider bores 50
A sliding block 49 is respectively fixed with, sliding block 49 is located in slideway 48.
Apotting spindle 51 realizes the positioning of the fore-and-aft direction of shift fork 10, and left pressing plate 21 realizes that left side is determined to horizontal part 11
Position, right detent mechanism realize the positioning on right side to horizontal part 11, and positioning baffle 45 positions to the rear side of fork 10, fore-set 40
Travel forward and withstand the trailing flank of the right part of switch block 16, rotate clockwise the rotational band moving cam 15 of switch block 16, cam 15 extrudes auxiliary
Help the front limit groove 4 of support shaft 5 to keep compressing, realize positioning.Compression leg 39 is acted against to the right in the compression leg hole 41 of left riser 22, real
The fixation of existing left riser 22, left riser 22 keep vertical vertical.The upper end of Auxiliary support axle 5 acts against the horizontal part 11 of fork 10 simultaneously
Downside on, realize the fixation in the downside direction of fork 10.At this moment, the six direction of fork 10 is all fixed, six-freedom degree
Limited, meet the requirement of processing.
Use process：
Switch block 16 rotates to drive passes to cam 15 by power transmission shaft 9, and action is pushed up in Auxiliary support axle lower springs 25
Under, the rotation of cam 15 is locked to Auxiliary support axle 5, and Auxiliary support axle 5 is to workpiece（Shift fork）Inside is clamped.Workpiece adds
Set-up procedure before work is fully completed, and the six-freedom degree of workpiece is locked, and can be smoothly processed.
When dismounting, which will pull down manufactured workpiece, changes another workpiece, studs 37, the folder of side of dismantling
Tight nut and clamping washer, that is, the left pressing plate 21 for side of dismantling, power transmission shaft 9 is in the presence of the torsion spring 18 on the top of switch block 16, instead
To rotation, the cam 15 on top is driven and rotated, and the pressuring action on the top of Auxiliary support axle 5 is disappeared, while turn of bottom
Block 16 is also by with rotating backward, so as to which fore-set 39 disappears to the pressuring action of workpiece, thus the pressuring action of inside workpiece and
One clamping sides event resolves, workpiece can smoothly take out, so that the next workpiece of clamping is processed.
Advantages of the present invention：
Left pressing plate 21 is housed in the side of chuck body 1, when with binding nut, clamping washer and studs 37 by left pressing plate 21
It is fixed in chuck body 1, left pressing plate 21 completes the left positioner and clamping to workpiece, at the same time, the inner side of left pressing plate 21
Compression leg 39 promotes to the switch block 16 of the inner side of chuck body 1, switch block 16 is rotated around power transmission shaft 9, and then promotes fore-set 40, complete
The inner side of paired workpiece bottom clamps, and when switch block 16 rotates, switch block 16 drives power transmission shaft 9 to rotate, and the rotation of power transmission shaft 9 drives
Cam 15 rotates, and Auxiliary support axle 5 jacks up upwards under the effect of spring 8, and cam 15 is completed to lock to Auxiliary support axle 5, to work
Complete positioning and clamp in the inner side on part top.During this of installation left pressing plate 21, complete to the side of workpiece and interior
Positioned at the two of portion, while complete a clamping process to inside workpiece.
Chuck body 1 is provided with link gear, and when rear briquetting 46 is tight to work piece positioning, compression leg 40 promotes 16 turns of switch block
Dynamic, switch block 16 promotes fore-set 39 to clamp workpiece with driving power transmission shaft 9 and the rotation lock Auxiliary support axle 5 of cam 15 to carry out simultaneously,
Substantially increase efficiency.
The eccentric feature of cam 15 is set, and in initial drive axis, 0-45 ° of isometrical segmental arcs of cam rotate, cam
15 do not contact Auxiliary support axle 5, and locking effect is had no to Auxiliary support axle 5, when left pressing plate 21 is to the side positioning of workpiece and top
When post 39 is near completion to being clamped on the inside of workpiece, not isometrical 45-135 ° of segmental arcs contact Auxiliary support axle 5 of cam 15, to auxiliary branch
Support axle 5 starts to lock, and left pressing plate 21 is next to work piece positioning, locked Auxiliary support axle 5.
Cylindrical hole is located at chuck body top, and a diameter of 25mm in its hole, the length in hole is 68mm.
Two screwed holes are provided with briquetting 46 afterwards, are fixed on two SOC.HD. cap screws on fixture, the threaded portion of screw
A diameter of 6mm.
Column part a diameter of 22mm of the bottom of fixing screws 35, length 30mm, studs on the downside of right detent mechanism
The a diameter of 8mm of threaded portion.
Left pressing plate 21 is located at the side of workpiece, and 37 a diameter of 12mm of studs on left pressing plate 21, its length is 88mm, folder
Tight nut and clamping washer are auxiliary equipment.
The inner side of left pressing plate 21 is equipped with compression leg 39, and the column diameter of compression leg 39 is 10mm, length 26mm, the surface of compression leg 39
The a diameter of 15mm of hemisphere.
The global shape of switch block 16 is similar to p-shaped, and the thickness of switch block 16 is 12mm, is provided with circular hole in switch block 16, circular hole it is straight
Footpath is 16mm, and torsion spring 18 is housed on switch block 16.
The external diameter of apotting spindle 51 is 25mm, internal diameter 20mm, length 102mm.
The head end of fore-set 40 is a hemisphere, and its a diameter of 15mm, middle part is fore-set set 44, and afterbody is cylinder, and it is grown
Spend for 36mm, a diameter of 10mm.
Two keyways are provided with Auxiliary support axle 5, to connect cam and switch block.
The side of Auxiliary support axle 5 has milled out a plane（It can also be arcwall face）, opposite side is provided with square opening, auxiliary branch
5 a diameter of 15mm of axle is supportted, length 63mm, the bottom of Auxiliary support axle 5 is provided with spring 6.
The sliding block 49 a length of 25mm, a width of 20mm, thickness 10mm of the bottom of chuck body 1.
Studs 37 a diameter of 12mm, length 88mm.
A kind of novel linkage shift fork slabbing fixture that the present invention designs, it is the workpiece for special shape, is a kind of
Special fixture, the design structure simple and compact of this fixture, low-profile is exquisite, and internals motion is coherent, installs left pressing plate
It can complete at two to clamp at positioning and two, while limit each and every one the more frees degree of workpiece, when for such a complex part, typically
Processing method be difficult that accurately positioning clamps, processing excessively takes time and effort, extremely inefficient, and using after such a fixture,
The technical requirements to worker can be reduced, easily workpiece is positioned and stepped up, make the six-freedom degree of workpiece by complete
Limitation, is easy to the processing of batch, after machining, after removing left pressing plate, part positioning clamping action can be made to disappear again
Remove, can smoothly take out workpiece, so as to next work pieces process, substantially increase the efficiency of processing, have for production very big
Facilitation.
Claims (10)
1. a kind of novel linkage shift fork slabbing fixture, shift fork is shaped as inverted "L" shaped, and shift fork includes orthogonal level
Portion and vertical portion, one end end of horizontal part and one end end integrally connected of vertical portion, horizontal part and vertical portion junction
Inner side is provided with breakthrough part, and through hole is provided with breakthrough part, and the axis of through hole is parallel with plane where horizontal part or vertical component effect, its
It is characterised by：Milling fixture includes chuck body and Auxiliary support axle, and shift fork is arranged in chuck body in inverted "L" shaped, insertion
Apotting spindle is equipped with hole, chuck body is provided with the arbor hole worn for apotting spindle, apotting spindle right-hand member insertion mandrel
In hole, left part and the through hole of apotting spindle are rotatablely connected；Auxiliary support axle is vertically provided in chuck body close to front side
Centre position, the supported hole that the middle part of Auxiliary support axle vertically passes through is offered in chuck body, is set at the top of Auxiliary support axle
There is support shaft top, support shaft comes directly towards to be leaned with the front end downside of horizontal part, along axle on the Auxiliary support axle below supported hole
To provided with front limit groove and rear stopper slot, stopper slot and rear stopper slot are respectively positioned at the front side of Auxiliary support axle and rear side, auxiliary
The bottom of support shaft is provided with support bottom groove, supports and is provided with vertical support spring between bottom groove and chuck body；
Milling fixture also includes vertically arranged power transmission shaft, and power transmission shaft is located at the rear of Auxiliary support axle, and the top of power transmission shaft is consolidated
Surely cam is connected with, cam is located in rear stopper slot, and the bottom of power transmission shaft is fixedly connected with switch block, and the lower end of power transmission shaft passes through axle
Hold and be rotatablely connected with chuck body, switch block is " P " shape, and the left part of switch block is provided with shaft hole, and the axis of shaft hole is vertically arranged, is passed
Moving axis passes through shaft hole；Torsion spring is equipped with power transmission shaft, torsion spring both ends are connected with power transmission shaft and switch block respectively；
The leading flank of chuck body is provided with front limit slotted eye, and the axis of front limit slotted eye is perpendicular to plane where vertical component effect, preceding limit
Front limit screw rod is equipped with the slotted eye of position, is fixed between the front end of front limit screw rod and chuck body by nut, front limit screw rod
Rear end act against in the front limit groove of Auxiliary support axle,
Milling fixture also includes the left pressing plate being located on the left of chuck body and the right detent mechanism being located on the right side of chuck body, left pressure
Plate includes left riser and the left transverse slat being integrally attached at the top of left riser, and left transverse slat is vertical with left riser, left transverse slat right-hand member face pressure
Lean against on the left surface of horizontal part；Right detent mechanism includes right column and the right transverse slat with right column top integrally connected, right horizontal stroke
The left side of plate is pressed against on the right flank of horizontal part；Right column hole vertically is provided with chuck body, right column is inserted into the right side
In leghole；
The middle part of left pressing plate is provided with left briquetting fixing hole, and left briquetting fixing hole is equipped with stud, and the left end of stud leads to
Cross nut to fix, the right-hand member of stud is threaded in chuck body；
Horizontal at switch block sustained height to be provided with compression leg and fore-set, the right-hand member of compression leg is acted against on the left surface of switch block, compression leg
Axis is vertical with the axis of shaft hole, and the axis of compression leg is vertical with plane where left riser, and the right flank of left riser bottom is provided with
Compression leg hole, the left end of compression leg are acted against in the compression leg hole；Fore-set is located at the rear side of switch block, the axis of fore-set and the axis of shaft hole
Vertical and with shift fork vertical portion place plane is vertical, and the front end of fore-set is acted against on the trailing flank of switch block right part, after fore-set
Side pressure is leaned against on the leading flank of fork vertical portion；The middle part peripheral hardware of fore-set is equipped with fore-set set, and fore-set set is fixed on chuck body
In the through hole being correspondingly arranged；The right-hand member of compression leg and the front end of fore-set are segment-shaped；
Positioning baffle is provided with rear side of chuck body, rear briquetting is additionally provided with rear side of positioning baffle, rear briquetting will be positioned by screw
Baffle plate is connected in chuck body, and the leading flank of positioning baffle is pressed against on the trailing flank of vertical portion.
A kind of 2. novel linkage shift fork slabbing fixture according to claim 1, it is characterised in that：Cam is that dish type is convex
Take turns, the contour curve of cam includes the actuating travel section of head and the tail connection, far not section, reverse-running section and closely not section, actuating travel section and backhaul successively
Section is relative, and far not section is relative with section is closely stopped, the remote center of circle of circular arc and the axis coinciding of cam stopped section and closely stop section, actuating travel section
Circular shape becomes larger for radius, and the circular shape of reverse-running section is gradually reduced for radius, convex when shift fork is fixed on chuck body
The actuating travel section of wheel is stuck in rear stopper slot.
A kind of 3. novel linkage shift fork slabbing fixture according to claim 1, it is characterised in that：Cam is that dish type is convex
Wheel, the contour curve of cam include successively the actuating travel section of head and the tail connection, far stop section, reverse-running section and closely stop section, shift fork is fixed on folder
When having body, the section of far stopping of cam is stuck in rear stopper slot.
A kind of 4. novel linkage shift fork slabbing fixture according to claim 1, it is characterised in that：It is right in chuck body
Rear block slots should be offered, rear briquetting is located in rear block slots with positioning baffle, briquetting after the left end stretching of positioning baffle, positioning
Baffle length is more than rear briquetting.
A kind of 5. novel linkage shift fork slabbing fixture according to claim 1, it is characterised in that：Compression leg and fore-set with
The end of one end that switch block is abutted against is segment-shaped or hemispherical.
A kind of 6. novel linkage shift fork slabbing fixture according to claim 1, it is characterised in that：Support shaft top is
Segment-shaped or hemispherical.
A kind of 7. novel linkage shift fork slabbing fixture according to claim 1, it is characterised in that：The groove of stopper slot afterwards
Bottom bottom shape is one section of cylindrical surface of protrusion bottom land bottom surface.
A kind of 8. novel linkage shift fork slabbing fixture according to claim 1, it is characterised in that：Chuck body is passing
The groove for being provided with bearing is provided with moving axis bottom.
A kind of 9. novel linkage shift fork slabbing fixture according to claim 1, it is characterised in that：Left transverse slat includes two
Individual spaced left briquetting, the right side of left briquetting is plane, and the right side of two left briquettings is located on same vertical plane, two
The right side of individual left briquetting is pressed against on the left surface of horizontal part.
A kind of 10. novel linkage shift fork slabbing fixture according to claim 1, it is characterised in that：Right transverse slat includes
Two spaced right jacking blocks on the left of right transverse slat, the left side of right jacking block are plane, the left side of two right jacking blocks
On same vertical plane, the left side of right jacking block is pressed against on the right flank of horizontal part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710828619.5A CN107363591B (en) | 2017-09-14 | 2017-09-14 | A kind of novel linkage shift fork slabbing fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710828619.5A CN107363591B (en) | 2017-09-14 | 2017-09-14 | A kind of novel linkage shift fork slabbing fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107363591A true CN107363591A (en) | 2017-11-21 |
| CN107363591B CN107363591B (en) | 2019-01-29 |
Family
ID=60303121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710828619.5A Expired - Fee Related CN107363591B (en) | 2017-09-14 | 2017-09-14 | A kind of novel linkage shift fork slabbing fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107363591B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108381219A (en) * | 2018-03-31 | 2018-08-10 | 金华市佛尔泰精密机械制造有限公司 | Positioning device in the bi-directional synchronization of automotive brake holder point |
| CN108673156A (en) * | 2018-07-24 | 2018-10-19 | 荆门优德科技有限公司 | A kind of grinding and sawing special purpose workstation for the right chassis of ES8 |
| CN108788753A (en) * | 2018-07-24 | 2018-11-13 | 荆门优德科技有限公司 | A kind of grinding and sawing special purpose workstation for the left chassis of ES8 |
| CN108857494A (en) * | 2018-07-27 | 2018-11-23 | 徐州昊隆工具有限公司 | A kind of fixture for milling shift fork end face |
| CN112658721A (en) * | 2020-12-15 | 2021-04-16 | 河北北方铸业有限公司 | Hubei province type pivot body fixes a position frock fast |
| CN113996987A (en) * | 2021-10-25 | 2022-02-01 | 芜湖普威技研有限公司 | Quick positioning mechanism of tool clamp |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001062658A (en) * | 1999-08-24 | 2001-03-13 | Tanaka Kinzoku:Kk | Stock vice device |
| CN102126145A (en) * | 2011-03-29 | 2011-07-20 | 无锡威孚精密机械制造有限责任公司 | Power takeoff shift fork fixture |
| CN201931301U (en) * | 2010-11-16 | 2011-08-17 | 綦江县自力汽车配件厂 | High and low gear reverse shift fork milling fixture |
| CN202964157U (en) * | 2012-10-25 | 2013-06-05 | 西安志越机电科技有限公司 | Special clamp for processing of shifting fork |
| CN203566318U (en) * | 2013-11-21 | 2014-04-30 | 无锡新奇特钣金机械有限公司 | Shifting fork connector rapid positioning fixture |
-
2017
- 2017-09-14 CN CN201710828619.5A patent/CN107363591B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001062658A (en) * | 1999-08-24 | 2001-03-13 | Tanaka Kinzoku:Kk | Stock vice device |
| CN201931301U (en) * | 2010-11-16 | 2011-08-17 | 綦江县自力汽车配件厂 | High and low gear reverse shift fork milling fixture |
| CN102126145A (en) * | 2011-03-29 | 2011-07-20 | 无锡威孚精密机械制造有限责任公司 | Power takeoff shift fork fixture |
| CN202964157U (en) * | 2012-10-25 | 2013-06-05 | 西安志越机电科技有限公司 | Special clamp for processing of shifting fork |
| CN203566318U (en) * | 2013-11-21 | 2014-04-30 | 无锡新奇特钣金机械有限公司 | Shifting fork connector rapid positioning fixture |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108381219A (en) * | 2018-03-31 | 2018-08-10 | 金华市佛尔泰精密机械制造有限公司 | Positioning device in the bi-directional synchronization of automotive brake holder point |
| CN108381219B (en) * | 2018-03-31 | 2023-10-27 | 浙江佛尔泰智能设备有限公司 | Bidirectional synchronous centering positioning device for automobile brake bracket |
| CN108673156A (en) * | 2018-07-24 | 2018-10-19 | 荆门优德科技有限公司 | A kind of grinding and sawing special purpose workstation for the right chassis of ES8 |
| CN108788753A (en) * | 2018-07-24 | 2018-11-13 | 荆门优德科技有限公司 | A kind of grinding and sawing special purpose workstation for the left chassis of ES8 |
| CN108857494A (en) * | 2018-07-27 | 2018-11-23 | 徐州昊隆工具有限公司 | A kind of fixture for milling shift fork end face |
| CN112658721A (en) * | 2020-12-15 | 2021-04-16 | 河北北方铸业有限公司 | Hubei province type pivot body fixes a position frock fast |
| CN113996987A (en) * | 2021-10-25 | 2022-02-01 | 芜湖普威技研有限公司 | Quick positioning mechanism of tool clamp |
| CN113996987B (en) * | 2021-10-25 | 2024-06-14 | 芜湖普威技研有限公司 | Quick positioning mechanism of frock clamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107363591B (en) | 2019-01-29 |
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